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Bird ringing is the term used in the UK and in some other parts of Europe, while the term bird banding is more often used in the U.S. and Australia. [49] bird strike The impact of a bird or birds with an airplane in flight. [50] body down The layer of small, fluffy down feathers that lie underneath the outer contour feathers on a bird's body. [51]
External anatomy of a typical bird: 1 Beak, 2 Head, 3 Iris, 4 Pupil, 5 Mantle, 6 Lesser coverts, 7 Scapulars, 8 Coverts, 9 Tertials, 10 Rump, 11 Primaries, 12 Vent, 13 Thigh, 14 Tibio-tarsal articulation, 15 Tarsus, 16 Feet, 17 Tibia, 18 Belly, 19 Flanks, 20 Breast, 21 Throat, 22 Wattle, 23 Eyestripe Topography of a typical passerine.
Birds feature in the flag designs of 17 countries and numerous subnational entities and territories. [326] Birds are used by nations to symbolise a country's identity and heritage, with 91 countries officially recognising a national bird. Birds of prey are highly represented, though some nations have chosen other species of birds with parrots ...
Humphrey–Parkes terminology is a system of nomenclature for the plumage of birds. Before the Humphrey–Parkes system, plumage was named after the belief that a certain plumage was breeding plumage and others were not.
The ratites are mostly large and long-legged, flightless birds, lacking a keeled sternum. Traditionally, all the ratites were place in the order Struthioniformes . However, recent genetic analysis has found that the group is not monophyletic, as it is paraphyletic with respect to the tinamous , so the ostriches are classified as the only ...
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There follows 'A List of British Birds, systematically arranged into Ordines, Genera and Species', divided as in Thomas Bewick's A History of British Birds into Land Birds and Water Birds. [11] Montagu then provides an "Explanation of some Technical Terms used in Ornithology by Linnaeus and others, and in this Work". [12]
Jeremy Greenwood concludes that the term was further popularised by its use by Miss E. I. Turner, "a popular author", in the journal Open Air in 1923. [9] [10] There is a theory that it comes from the World War II RAF acronym GISS for "General Impression of Size and Shape (of an aircraft)", [11] but the use of the term in 1922 precludes that.